On Christmas Eve in a remote Montana town, a long-forgotten warning siren tears through the snowbound darkness. For decades, Grimlock Island has been off-limits, its old bridge fenced off and marked with signs that winter storms finally rip away. When an unsuspecting couple camps along the island’s quiet shoreline, they cross a boundary that should never have been touched.

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Their presence encroaches on sacred territory, and the Sasquatch that have guarded the island for decades surge toward the mainland with brutal force.

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What follows is chaos.

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Homes are attacked. Families are dragged into the night. People are jolted from sleep and forced to fight for their lives as the monstrous horde tears through the snow-covered streets. With only one sheriff, a single deputy, and a handful of terrified locals to stand against the onslaught, the town must pull together however they can if they hope to see dawn. Among them are a haunted sheriff pushing past old scars, a grizzled veteran with a weaponized truck, and a scattering of survivors who refuse to die quietly.

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This Christmas, they aren’t hoping for peace or presents.

They are praying to stay alive.

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Packed with suspense, action, and relentless creature horror, Sasquatch Christmas Massacre delivers a holiday special at its most vicious.